Home / 772,142,091.30-1,157,243,755.34-417,602,241

Finding the Fourth Proportional to 772,142,091.30, 1,157,243,755.34 and 417,602,241

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Solution

The fourth proportional to 772,142,091.30, 1,157,243,755.34 and 417,602,241 is: 625,879,085.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,142,091.30 : 1,157,243,755.34 = 417,602,241 : x
  2. Step 2: Convert to fraction form
    772,142,091.30/1,157,243,755.34 = 417,602,241/x
  3. Step 3: Cross multiply
    772,142,091.30x = 1,157,243,755.34 × 417,602,241
  4. Step 4: Simplify right side
    772,142,091.30x = 483,267,585,611,151,744
  5. Step 5: Solve for x
    x = 483,267,585,611,151,744/772,142,091.30
  6. Step 6: Final answer
    x = 625,879,085.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.